fix: check if max_page is set

donbowman · donbowman · commit 356d8f0ed2a4 · 2022-08-18T19:41:34.000-04:00
This avoids the warning:

    PHP message: PHP Warning:  Undefined variable $max_page in

that otherwise occurs
diff --git a/feed-json-functions.php b/feed-json-functions.php
@@ -51,7 +51,7 @@ function get_link_from_json_feed( $link ) {
 
 function get_json_feed_next_url() {
 	global $paged, $wp_query;
-	if ( ! $max_page ) {
+	if ( ! isset($max_page) || ! $max_page ) {
 		$max_page = $wp_query->max_num_pages;
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -51,7 +51,7 @@ function get_link_from_json_feed( $link ) {`
`51`	`51`
`52`	`52`	`function get_json_feed_next_url() {`
`53`	`53`	`global $paged, $wp_query;`
`54`		`- if ( ! $max_page ) {`
	`54`	`+ if ( ! isset($max_page) \|\| ! $max_page ) {`
`55`	`55`	`$max_page = $wp_query->max_num_pages;`
`56`	`56`	`}`
`57`	`57`